Food service tray



FIG. 1 is a top perspective view of a food service tray showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

FIG. 7 is a top plan view thereof. 

The ornamental design for a food service tray, as shown. 